G谱，HTML/Vue代码在线实时编辑、预览

            
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            <div class="box">
    <span class="translateG">G</span>
    <div class="jian">
        <div class="dot"><span>d3</span></div>
    </div>
    <div class="jian">
        <div class="dot"><span>b2</span></div>
    </div>
    <div class="jian">
        <div class="dot"><span>g2</span></div>
    </div>
    <div class="jian">
        <div class="dot"><span>e2</span></div>
    </div>
    <div class="jian">
        <div class="dot"><span>c2</span></div>
    </div>
    <div class="jian">
        <div class="dot"><span>a1</span></div>
    </div>
    <div class="jian">
        <div class="dot"><span>f1</span></div>
    </div>
    <div class="jian">
        <div class="dot"><span>d1</span></div>
    </div>
    <div class="jian">
        <div class="dot"><span>b</span></div>
    </div>
    <div class="jian">
        <div class="dot"><span>g</span></div>
    </div>
    <div class="G-box">
        <div free class="up-line">
            <div class="dot"><span>e3</span></div>
        </div>
        <div free class="up-line">
            <div class="dot"><span>c3</span></div>
        </div>
        <div free class="up-line">
            <div class="dot"><span>a2</span></div>
        </div>
        <div class="line-item">
            <div class="dot"><span>f2</span></div>
        </div>
        <div class="line-item">
            <div class="dot"><span>d2</span></div>
        </div>
        <div class="line-item">
            <div class="dot"><span>b1</span></div>
        </div>
        <div class="line-item">
            <div class="dot"></div>
        </div>
        <div class="line-item">
            <div class="dot"><span>e1</span></div>
        </div>
        <div free class="down-line">
            <div class="dot"><span>c1</span></div>
        </div>
        <div free class="down-line">
            <div class="dot"><span>a</span></div>
        </div>
        <div free class="down-line">
            <div class="dot"><span>f</span></div>
        </div>
    </div>
</div>
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<button class="random-button">随机</button>